CN214748623U

CN214748623U - Novel torque wrench verification instrument

Info

Publication number: CN214748623U
Application number: CN202120770153.XU
Authority: CN
Inventors: 蔡文革
Original assignee: Fujian Huake Measurement And Testing Co ltd
Current assignee: Fujian Huake Measurement And Testing Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-16
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a novel torque wrench examines and determine appearance, comprises a workbench, the workstation lower surface is respectively through bolt and base fixed connection all around, and display screen and control button are installed respectively to workstation upper surface one side, and the equipment switch is installed to workstation one side, and force measuring device has been inlayed at workstation upper surface center, and force measuring device upper surface center is provided with to press from both sides and carries the device, presss from both sides to carry device and spanner one end nested connection, and force measuring device one side is connected with the soldering of torque arm board. This novel torque moment spanner examination appearance, torque sensor passes through wire and display screen and control button electric connection, and the torque value that torque sensor measured and got is shown in real time, and it is directly perceived to show, convenient observation, easy operation, through square hole fixed spanner one end, cutting ferrule and second fixing stud are fixed the spanner other end, and whole examination in-process keeps firm, improves measurement accuracy, and the error is little, adjusts the spanner of the different specifications of cooperation through movable clamping seat, improve equipment's flexibility, enlarges application scope.

Description

Novel torque wrench verification instrument

Technical Field

The utility model relates to a moment of torsion spanner examines and determine appearance technical field specifically is a novel moment of torsion spanner examines and determine appearance.

Background

The torque wrench calibrator is special equipment for calibrating torque wrenches and torque drivers, and is mainly used for detecting instruments and products of various constant force type torque wrenches, digital display type torque wrenches, preset torque wrenches and the like. The method is widely applied to electrical manufacturing, mechanical manufacturing, automobile light industry and professional scientific research and detection industries. Along with the prolonging of the service time of the torque wrench, or the collision, the irregular operation and the like during the service period, the precision of the internal torque measuring structure is gradually reduced, so that errors occur when torque is applied in the service process, and the torque wrench is required to be calibrated by using a torque wrench calibrator; when the torque wrenches with different specifications are checked, calibrating devices with different measuring ranges and precision are selected according to the specifications of the torque wrenches. At present, the problem that the loading of the torque wrench is difficult still exists, the torque wrench is placed in the calibrating device, when the torque wrench is held and applied to drive the torque wrench to rotate around the other end, the position of the torque wrench changes, so that the change of the whole gravity center of the torque wrench and the calibrating device can be caused, the torque wrench cannot be loaded in a stable horizontal state, the loading force of the torque wrench has errors, and the accuracy requirement in the process of calibrating the torque wrench is difficult to meet. And when the torque is measured, one end of the wrench is not fixed, so that errors are easily caused, and the design of a novel torque wrench calibrating instrument is necessary for solving the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel torque wrench examines and determine appearance, torque sensor passes through wire and display screen and control button electric connection, the torque value that torque sensor surveys and gets is shown in real time, it is directly perceived to show, convenient observation, and easy operation, through square hole fixed wrench one end, cutting ferrule and second fixing stud are fixed with the spanner other end, whole examination in-process keeps firm, improve measurement accuracy, the error is little, adjust the spanner of the different specifications of cooperation through the activity cassette, improve equipment's flexibility, enlarge application scope, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel torque wrench calibrating instrument comprises a workbench, wherein the periphery of the lower surface of the workbench is fixedly connected with a base through bolts respectively, one side of the upper surface of the workbench is provided with a display screen and a control button respectively, one side of the workbench is provided with an equipment switch, a force measuring device is embedded in the center of the upper surface of the workbench, a clamping device is arranged in the center of the upper surface of the force measuring device, the clamping device is connected with one end of a wrench in a nested manner, and one side of the force measuring device is connected with a torque arm plate in a tin soldering manner;

the improved wrench is characterized in that a torque arm platform is arranged on one side of the workbench, the upper surface of one end of the torque arm platform is fixedly connected with a supporting seat through bolts respectively, the inner side of the supporting seat is rotatably connected with a transmission screw rod through a bearing respectively, one end of the transmission screw rod penetrates through the supporting seat and is fixedly connected with the inner side of a rotating handle, a transmission seat is sleeved on the transmission screw rod, the upper surface of the transmission seat is movably connected with one end of a torque arm plate through a pin shaft, a movable clamping seat is sleeved on the torque arm plate, a first limiting column and a second limiting column are arranged on two sides of the upper surface of the movable clamping seat respectively, a first fixing stud is arranged on one side of the movable clamping seat, a second fixing stud is arranged at the lower end of the first limiting column, clamping sleeves are sleeved on the first limiting column and the second limiting column respectively, and third fixing studs are arranged on two sides of the clamping sleeves respectively.

Preferably, one side of the workbench and one side of the torque arm platform are punched into a whole, and bases consistent with the torque arm platform are respectively arranged on one side of the lower surface of the torque arm platform.

Preferably, the force measuring device is rotatably connected with the upper surface of the workbench through a bearing, and the clamping device is connected with the force measuring device in a nested manner and movably connected through the bearing.

Preferably, the clamping device is provided with a clamping groove in the center of the upper surface, the lower surface of the wrench is in nested connection with a square hole which is matched with the lower surface of the wrench, and the square hole is in nested connection with the clamping groove.

Preferably, one side of the movable clamping seat and one side of the first limiting column are respectively provided with a threaded hole corresponding to the first fixing stud and the second fixing stud, the movable clamping seat is meshed with the first fixing stud, the second fixing stud penetrates through the first limiting column and is meshed with the first limiting column, and one end of the second fixing stud is provided with a gasket.

Preferably, the cutting sleeve is movably connected with the first limiting column and the second limiting column respectively, and threaded holes corresponding to the third fixing studs are formed in two sides of the cutting sleeve respectively.

Preferably, the lower end of the force measuring device is provided with a torque sensor, and the torque sensor is electrically connected with the display screen and the control key through a wire.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this novel torque wrench examines and determine appearance, torque sensor pass through wire and display screen and control button electric connection, and the torque value that torque sensor surveyed in real time shows directly perceived, convenient observation, easy operation.

2. This novel moment of torsion spanner examination appearance through square hole fixed spanner one end, and cutting ferrule and second fixing stud are fixed with the spanner other end, and whole examination in-process keeps firm, improves measurement accuracy, and the error is little.

3. This novel moment of torsion spanner examination appearance adjusts the spanner of the different specifications of cooperation through movable cassette, improve equipment's flexibility, enlarges application scope.

Drawings

Fig. 1 is a front view of the overall structure of the present invention;

fig. 2 is a partial structural plan view of the present invention;

FIG. 3 is a bottom view of the wrench according to the present invention;

fig. 4 is a sectional view of the structure of the movable clamping seat of the present invention.

In the figure: 1. a work table; 2. a base; 3. a display screen; 4. a control key; 5. a device switch; 6. a force measuring device; 7. a clamp loading device; 8. a wrench; 9. a torque arm platform; 10. a supporting seat; 11. a transmission screw rod; 12. rotating the handle; 13. a transmission seat; 14. a movable card holder; 15. a first limit post; 16. a second limit post; 17. a first fixing stud; 18. a second fixing stud; 19. a card sleeve; 20. a third fixing stud; 21. a square hole; 22. a torque arm plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a novel torque wrench calibrator comprises a workbench 1, wherein the periphery of the lower surface of the workbench 1 is fixedly connected with a base 2 through bolts, a display screen 3 and control keys 4 are respectively installed on one side of the upper surface of the workbench 1, an equipment switch 5 is installed on one side of the workbench 1, a force measuring device 6 is embedded in the center of the upper surface of the workbench 1, a clamping device 7 is arranged in the center of the upper surface of the force measuring device 6, the force measuring device 6 is rotatably connected with the upper surface of the workbench 1 through a bearing, the clamping device 7 is connected with the force measuring device 6 in a nested manner and movably connected through a bearing, a torque sensor is installed at the lower end of the force measuring device 6, the torque sensor is electrically connected with the display screen 3 and the control keys 4 through a lead, the torque value measured by the torque sensor is displayed in real time, the clamping device 7 is connected with one end of a wrench 8 in a nested manner, a clamping groove is arranged in the center of the upper surface of the clamping device 7, the lower surface of a wrench 8 is nested with a square hole 21 which is matched with the wrench 8, the square hole 21 is nested with a clamping groove, one side of a force measuring device 6 is connected with a torque arm plate 22 in a soldering way, one side of a workbench 1 is provided with a torque arm platform 9, one side of the workbench 1 is stamped into a whole with one side of the torque arm platform 9, one side of the lower surface of the torque arm platform 9 is respectively provided with a base 2 which is consistent with the torque arm platform, the upper surface of one end of the torque arm platform 9 is respectively and fixedly connected with a supporting seat 10 through bolts, the inner side of the supporting seat 10 is respectively and rotatably connected with a transmission screw rod 11 through bearings, one end of the transmission screw rod 11 penetrates through the supporting seat 10 and is fixedly connected with the inner side of a rotating handle 12, the transmission screw rod 11 is sleeved with a transmission seat 13, the upper surface of the transmission seat 13 is movably connected with one end of the torque arm plate 22 through a pin shaft, the torque arm plate 22 is sleeved with a movable clamping seat 14, and two sides of the upper surface of the movable clamping seat 14 are respectively provided with a first limiting column 15 and a second limiting column 16, a first fixing stud 17 is arranged on one side of the movable clamping seat 14, a second fixing stud 18 is arranged at the lower end of the first limiting column 15, threaded holes corresponding to the first fixing stud 17 and the second fixing stud 18 are respectively arranged on one sides of the movable clamping seat 14 and the first limiting column 15, the movable clamping seat 14 is meshed with the first fixing stud 17, the second fixing stud 18 penetrates through the first limiting column 15 and is meshed with the first limiting column 18, a gasket is arranged at one end of the second fixing stud 18, clamping sleeves 19 are respectively sleeved on the first limiting column 15 and the second limiting column 16, third fixing studs 20 are respectively arranged on two sides of the clamping sleeves 19, the clamping sleeves 19 are respectively movably connected with the first limiting column 15 and the second limiting column 16, threaded holes corresponding to the third fixing studs 20 are respectively arranged on two sides of the clamping sleeves 19, one end of a torsion arm plate 22 is moved to the left transmission seat 13 by rotating the rotating handle 12, the movable clamping seat 14 is adjusted to enable the wrench 8 to be in a nearly horizontal state, fix 8 one ends of spanner through cutting ferrule 19 and second fixing stud 18 respectively, will turn round arm board 22 one end and remove to right side transmission seat 13 department through rotating handle 12 after fixed, display screen 3 shows the torque value, and it is accurate to measure, and the error is little.

To sum up, this novel moment of torsion spanner examines and determine appearance, torque sensor passes through wire and

display screen

3 and 4 electric connection of control button, and the torque value that torque sensor measured and got is shown in real time directly perceived, conveniently observes, and easy operation, through square hole 21 fixed spanner 8 one end, cutting ferrule 19 and second fixing stud 18 are fixed with spanner 8 other end, and whole examination in-process keeps firm, improves measurement accuracy, and the error is little, adjusts the spanner 8 of the different specifications of cooperation through activity cassette 14, improve equipment's flexibility, enlarge application scope.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel moment of torsion spanner examines and determine appearance, includes workstation (1), its characterized in that: the periphery of the lower surface of the workbench (1) is fixedly connected with the base (2) through bolts, one side of the upper surface of the workbench (1) is provided with a display screen (3) and a control key (4) respectively, one side of the workbench (1) is provided with an equipment switch (5), the center of the upper surface of the workbench (1) is embedded with a force measuring device (6), the center of the upper surface of the force measuring device (6) is provided with a clamping device (7), the clamping device (7) is connected with one end of a wrench (8) in a nested manner, and one side of the force measuring device (6) is connected with a torque arm plate (22) in a tin soldering manner;

a torque arm platform (9) is arranged on one side of the workbench (1), the upper surface of one end of the torque arm platform (9) is fixedly connected with a supporting seat (10) through bolts respectively, the inner side of the supporting seat (10) is rotatably connected with a transmission screw rod (11) through bearings respectively, one end of the transmission screw rod (11) penetrates through the supporting seat (10) and is fixedly connected with the inner side of a rotating handle (12), a transmission seat (13) is sleeved on the transmission screw rod (11), the upper surface of the transmission seat (13) is movably connected with one end of a torque arm plate (22) through a pin shaft, a movable clamping seat (14) is sleeved on the torque arm plate (22), a first limiting column (15) and a second limiting column (16) are arranged on two sides of the upper surface of the movable clamping seat (14) respectively, a first fixing stud (17) is arranged on one side of the movable clamping seat (14), a second fixing stud (18) is arranged at the lower end of the first limiting column (15), clamping sleeves (19) are sleeved on the first limiting column (15) and the second limiting column (16) respectively, and third fixing studs (20) are respectively arranged on two sides of the clamping sleeve (19).

2. The novel torque wrench calibrator according to claim 1, wherein: one side of the workbench (1) and one side of the torque arm platform (9) are punched into a whole, and one side of the lower surface of the torque arm platform (9) is respectively provided with a base (2) consistent with the lower surface of the torque arm platform.

3. The novel torque wrench calibrator according to claim 1, wherein: the force measuring device (6) is rotatably connected with the upper surface of the workbench (1) through a bearing, and the clamping device (7) is connected with the force measuring device (6) in a nested manner and movably connected through the bearing.

4. The novel torque wrench calibrator according to claim 1, wherein: the clamping device is characterized in that a clamping groove is formed in the center of the upper surface of the clamping device (7), the lower surface of the wrench (8) is connected with a square hole (21) in a nested mode, and the square hole (21) is connected with the clamping groove in a nested mode.

5. The novel torque wrench calibrator according to claim 1, wherein: threaded holes corresponding to the first fixing stud (17) and the second fixing stud (18) are respectively formed in one side of the movable clamping seat (14) and one side of the first limiting column (15), the movable clamping seat (14) is meshed with the first fixing stud (17), the second fixing stud (18) penetrates through the first limiting column (15) and is meshed with the first limiting column, and a gasket is installed at one end of the second fixing stud (18).

6. The novel torque wrench calibrator according to claim 1, wherein: the clamping sleeve (19) is movably connected with the first limiting column (15) and the second limiting column (16) respectively, and threaded holes corresponding to the third fixing studs (20) are formed in two sides of the clamping sleeve (19) respectively.

7. The novel torque wrench calibrator according to claim 1, wherein: and a torque sensor is installed at the lower end of the force measuring device (6) and is electrically connected with the display screen (3) and the control key (4) through a wire.